diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b1227f3..28eadfe3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-12, windows-latest]
         python-version: ["3.8", "3.9", "3.10", "3.11"]
     defaults:
       run: